BBC Four (BBC 4) TV Guide: Listings, Schedule & What’s On BBC Four Tonight

Published: 24 August 2026

BBC Four is the BBC’s home for arts, culture, history, music and archive documentary, and unlike almost everything else on the electronic programme guide it simply isn’t there during the day. A “programmes start at 7.00pm” holding card fills the schedule from first thing in the morning through the whole afternoon; the channel actually opens two minutes early, at 6:58pm, with the short This is BBC Four ident, and CBeebies takes it back at 6am. It sits on Freeview channel 9, carries no advertising because the licence fee pays for it, and puts more or less everything it broadcasts onto BBC iPlayer afterwards. Tonight, Tuesday 25 August 2026, the evening leads with a railway documentary and a sitcom pairing before its real hook. Tim Dunn’s The Architecture the Railways Built opens primetime at 7pm with St Pancras and Castle Howard, the fifteen-minute The Flying Gardener follows at 7:45pm, then To the Manor Born at 8pm and Keeping Up Appearances at 8:25pm. Dan Snow’s How the Celts Saved Britain takes the 9pm slot, the first of two parts on how Ireland kept much of Britain’s learning alive once Rome withdrew. Britain in Focus: A Photographic History and the concluding half of The Secret Genius of Plants follow at 10pm and 11pm, and Do We Really Need the Moon? closes the night at 11:55pm. There’s no film and no live sport on BBC Four tonight. Full breakdown below.

BBC Four Schedule: Tuesday 25 August 2026 (Full Listings)

Here is the complete BBC Four schedule for Tuesday 25 August 2026, on Freeview 9.

Overnight

Morning

Early evening

Primetime

Late night

BBC Four tonight — primetime and the evening schedule

Here’s the BBC Four primetime line-up for tonight, Tuesday 25 August 2026.

This is BBC Four — BBC Four, 6:58pm

Two minutes of ident, a little ahead of the advertised 7pm start, before the evening gets under way.

The Architecture the Railways Built — BBC Four, 7pm

Tim Dunn’s series reaches its sixth outing, setting St Pancras’s Gothic Revival train shed against Castle Howard, a very different piece of railway-adjacent ambition.

The Flying Gardener — BBC Four, 7:45pm

A brisk fifteen minutes on exotic planting that has taken hold in the mild south-west of Ireland.

To the Manor Born — BBC Four, 8pm

Series one, episode four: Richard DeVere moves his grocery business onto the manor grounds, and Audrey isn’t happy about what it means for an old fireplace.

Keeping Up Appearances — BBC Four, 8:25pm

Hyacinth Bucket sets her sights on an outdoor event grand enough to outdo the Barker-Finches’ barbecue. Series four, episode three.

How the Celts Saved Britain — BBC Four, 9pm

BBC Four’s real draw tonight. Dan Snow opens a two-part history arguing that once Rome pulled out of Britain in the fifth century, it was Ireland — never conquered by Rome in the first place — that kept much of the old world’s learning and culture alive through the centuries that followed. Manuscripts, monasteries and a case for the Celts as more than history’s also-rans.

Britain in Focus: A Photographic History — BBC Four, 10pm

Eamonn McCabe’s series reaches the second of its three episodes, on how photojournalists framed the twentieth century’s wars and economic crises for people watching from home.

The Secret Genius of Plants — BBC Four, 11pm

The concluding half of a two-parter on how plants sense danger, adapt and defend themselves without anything resembling a nervous system.

Do We Really Need the Moon? — BBC Four, 11:55pm

Maggie Aderin-Pocock closes the night asking what would actually change on Earth without a moon overhead — tides, seasons and the length of a day among them.

What kind of shows are on BBC Four

Documentaries, history and the natural history archive

This is the backbone of the schedule. Attenborough series like Life on Earth sit alongside Natural World instalments and long-running science and history strands. Very little of it is new. Most has already had at least one outing on BBC One or BBC Two, and BBC Four is where it airs again a few years later.

Music archive: Top of the Pops and BBC Four Sessions

On plenty of nights the schedule turns to music once the evening’s main strand is done, with vintage Top of the Pops and Old Grey Whistle Test repeats among the regulars and the odd BBC Four Sessions recording running into the small hours. Some of those performances aren’t shown anywhere else on television. Tonight isn’t one of those music nights: the schedule runs a railway documentary, a sitcom pairing and Dan Snow’s Celts history instead, covered in full below.

Tonight’s mix: an off-air day and a Celts-led evening

There’s no BBC Four to speak of before 6:58pm. The tail of the overnight schedule is really the previous evening running on past midnight: A Passion for Churches at 12:45am and a repeat of The Flying Gardener at 1:35am, then an old John Betjeman profile at 1:50am and an archaeology series opener at 3am close out the previous night’s run, followed by a short This is BBC Four ident at 3:55am. A “programmes start at 7.00pm” holding card takes over at 5:30am and fills the rest of the night, the whole morning and the entire afternoon, until the two-minute ident reopens the channel, a little ahead of schedule, at 6:58pm. From there the evening opens with a railway documentary, a short gardening film and a sitcom pairing before Dan Snow’s How the Celts Saved Britain takes the 9pm slot as the night’s real draw. There’s no film and no live sport on the channel tonight.

How to watch BBC Four

Channel numbers

Here’s where to find BBC Four across the main UK television platforms:

BBC Four is free to watch on all of the above, though you’ll need a valid UK TV licence to watch it live, the same as any other BBC channel. Virgin Media and Freesat numbers can shift slightly by region, so your on-screen guide is the definitive source if these don’t quite match.

Streaming online

BBC Four streams live and free through BBC iPlayer, on smart TVs, phones, tablets, games consoles and in a browser at bbc.co.uk/iplayer. You’ll need a free BBC account to sign in. Once you’re in, BBC Four sits with the other BBC channels under the “Channels” tab, and its archive series are browsable separately.

BBC Four and BBC iPlayer

The live broadcast runs on iPlayer in full, so anything between 7pm and closedown can be watched as it goes out or picked up shortly after. The archive is the more useful half, though. It reaches a long way past whatever fits into one evening: full Attenborough box sets, older documentary strands that stopped getting a repeat slot years ago, music collections that only surface on air at two in the morning. If you like the idea of BBC Four more than you like remembering to switch it on at 9pm, that is where to start.

Frequently asked questions

Does BBC Four have adverts?

No. It’s funded by the licence fee, so there are no ad breaks anywhere in the schedule.

Is BBC Four free to watch?

There’s no separate subscription for BBC Four itself, but you do need a TV licence to watch it live, or to watch most of it back on iPlayer, the same as any other BBC channel.

What is the relationship between BBC Four and BBC Three?

Shared history rather than a shared schedule. BBC Three closed as a broadcast channel in 2016 and spent six years online-only before returning to linear TV in February 2022. That return reshuffled channel numbers on some platforms; on Virgin Media, the two now sit next to each other at 107 and 108. Over roughly the same stretch BBC Four stopped commissioning much new original programming and moved towards repeats and archive. The nightly live broadcast never went away.

Verdict

BBC Four is one of the better-value channels on British free television, provided you know what you’re going there for. Most nights, nothing on it is new. What’s on it is a decent share of the best things the BBC has ever made, given a proper repeat run years after it first went out.

Tonight fits that pattern closely: nothing until 6:58pm, then a railway documentary, a short gardening film and a sitcom pairing before the evening’s actual draw arrives at 9pm. Dan Snow’s How the Celts Saved Britain is worth building an evening around, and BBC Four backs it with a solid hour of photography history and the close of a plant-science series rather than padding out the back half. There’s no film and no live sport tonight, so it’s one for viewers who came for the Celts rather than anyone flicking through for background noise.

Related: What’s On TV Tonight | BBC One TV Guide | Films on TV This Week